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Freedman AA, Miller GE, Keenan-Devlin LS, Smart BP, Romero J, Borders A, Ernst LM.Freedman AA, et al.Matern Child Health J. 2021 Sep;25(9):1455-1464. doi: 10.1007/s10995-021-03139-x. Epub 2021 May 21.Matern Child Health J. 2021.PMID: 34021436Free PMC article.
Freedman AA, Smart BP, Keenan-Devlin LS, Borders A, Ernst LM, Miller GE.Freedman AA, et al.J Epidemiol Community Health. 2022 Apr;76(4):398-403. doi: 10.1136/jech-2020-215377. Epub 2021 Oct 4.J Epidemiol Community Health. 2022.PMID: 34607891Free PMC article.